Codebase list aubio / lintian-fixes/main wscript
lintian-fixes/main

Tree @lintian-fixes/main (Download .tar.gz)

wscript @lintian-fixes/mainraw · history · blame

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
#! /usr/bin/python
#
# usage:
#   $ python waf --help
#
# example:
#   $ ./waf distclean configure build
#
# Note: aubio uses the waf build system, which relies on Python. Provided you
# have Python installed, you do *not* need to install anything to build aubio.
# For more info about waf, see http://code.google.com/p/waf/ .

import sys

APPNAME = 'aubio'

from this_version import *

VERSION = get_aubio_version()
LIB_VERSION = get_libaubio_version()

top = '.'
out = 'build'

def add_option_enable_disable(ctx, name, default = None,
        help_str = None, help_disable_str = None):
    if help_str == None:
        help_str = 'enable ' + name + ' support'
    if help_disable_str == None:
        help_disable_str = 'do not ' + help_str
    ctx.add_option('--enable-' + name, action = 'store_true',
            default = default,
            dest = 'enable_' + name.replace('-','_'),
            help = help_str)
    ctx.add_option('--disable-' + name, action = 'store_false',
            #default = default,
            dest = 'enable_' + name.replace('-','_'),
            help = help_disable_str )

def options(ctx):
    ctx.add_option('--build-type', action = 'store',
            default = "release",
            choices = ('debug', 'release'),
            dest = 'build_type',
            help = 'whether to compile with (--build-type=release)' \
                    ' or without (--build-type=debug)' \
                    ' compiler opimizations [default: release]')
    add_option_enable_disable(ctx, 'fftw3f', default = False,
            help_str = 'compile with fftw3f instead of ooura (recommended)',
            help_disable_str = 'do not compile with fftw3f')
    add_option_enable_disable(ctx, 'fftw3', default = False,
            help_str = 'compile with fftw3 instead of ooura',
            help_disable_str = 'do not compile with fftw3')
    add_option_enable_disable(ctx, 'intelipp', default = False,
            help_str = 'use Intel IPP libraries (auto)',
            help_disable_str = 'do not use Intel IPP libraries')
    add_option_enable_disable(ctx, 'complex', default = False,
            help_str ='compile with C99 complex',
            help_disable_str = 'do not use C99 complex (default)' )
    add_option_enable_disable(ctx, 'jack', default = None,
            help_str = 'compile with jack (auto)',
            help_disable_str = 'disable jack support')
    add_option_enable_disable(ctx, 'sndfile', default = None,
            help_str = 'compile with sndfile (auto)',
            help_disable_str = 'disable sndfile')
    add_option_enable_disable(ctx, 'avcodec', default = None,
            help_str = 'compile with libavcodec (auto)',
            help_disable_str = 'disable libavcodec')
    add_option_enable_disable(ctx, 'samplerate', default = None,
            help_str = 'compile with samplerate (auto)',
            help_disable_str = 'disable samplerate')
    add_option_enable_disable(ctx, 'memcpy', default = True,
            help_str = 'use memcpy hacks (default)',
            help_disable_str = 'do not use memcpy hacks')
    add_option_enable_disable(ctx, 'double', default = False,
            help_str = 'compile in double precision mode',
            help_disable_str = 'compile in single precision mode (default)')
    add_option_enable_disable(ctx, 'fat', default = False,
            help_str = 'build fat binaries (darwin only)',
            help_disable_str = 'do not build fat binaries (default)')
    add_option_enable_disable(ctx, 'accelerate', default = None,
            help_str = 'use Accelerate framework (darwin only) (auto)',
            help_disable_str = 'do not use Accelerate framework')
    add_option_enable_disable(ctx, 'apple-audio', default = None,
            help_str = 'use CoreFoundation (darwin only) (auto)',
            help_disable_str = 'do not use CoreFoundation framework')
    add_option_enable_disable(ctx, 'blas', default = False,
            help_str = 'use BLAS acceleration library (no)',
            help_disable_str = 'do not use BLAS library')
    add_option_enable_disable(ctx, 'atlas', default = False,
            help_str = 'use ATLAS acceleration library (no)',
            help_disable_str = 'do not use ATLAS library')
    add_option_enable_disable(ctx, 'wavread', default = True,
            help_str = 'compile with source_wavread (default)',
            help_disable_str = 'do not compile source_wavread')
    add_option_enable_disable(ctx, 'wavwrite', default = True,
            help_str = 'compile with source_wavwrite (default)',
            help_disable_str = 'do not compile source_wavwrite')

    add_option_enable_disable(ctx, 'docs', default = None,
            help_str = 'build documentation (auto)',
            help_disable_str = 'do not build documentation')

    add_option_enable_disable(ctx, 'tests', default = True,
            help_str = 'build tests (true)',
            help_disable_str = 'do not build or run tests')

    add_option_enable_disable(ctx, 'examples', default = True,
            help_str = 'build examples (true)',
            help_disable_str = 'do not build examples')

    ctx.add_option('--with-target-platform', type='string',
            help='set target platform for cross-compilation',
            dest='target_platform')

    ctx.load('compiler_c')
    ctx.load('waf_unit_test')
    ctx.load('gnu_dirs')
    ctx.load('waf_gensyms', tooldir='.')

def configure(ctx):
    target_platform = sys.platform
    if ctx.options.target_platform:
        target_platform = ctx.options.target_platform

    from waflib import Options

    if target_platform=='emscripten':
        ctx.load('c_emscripten')
    else:
        ctx.load('compiler_c')

    ctx.load('waf_unit_test')
    ctx.load('gnu_dirs')
    ctx.load('waf_gensyms', tooldir='.')

    # check for common headers
    ctx.check(header_name='stdlib.h')
    ctx.check(header_name='stdio.h')
    ctx.check(header_name='math.h')
    ctx.check(header_name='string.h')
    ctx.check(header_name='errno.h')
    ctx.check(header_name='limits.h')
    ctx.check(header_name='stdarg.h')
    ctx.check(header_name='getopt.h', mandatory = False)
    ctx.check(header_name='unistd.h', mandatory = False)

    ctx.env['DEST_OS'] = target_platform

    if ctx.options.build_type == "debug":
        ctx.define('DEBUG', 1)
    else:
        ctx.define('NDEBUG', 1)

    if ctx.env.CC_NAME != 'msvc':
        if ctx.options.build_type == "debug":
            # no optimization in debug mode
            ctx.env.prepend_value('CFLAGS', ['-O0'])
        else:
            if target_platform == 'emscripten':
                # -Oz for small js file generation
                ctx.env.prepend_value('CFLAGS', ['-Oz'])
            else:
                # default to -O2 in release mode
                ctx.env.prepend_value('CFLAGS', ['-O2'])
        # enable debug symbols and configure warnings
        ctx.env.prepend_value('CFLAGS', ['-g', '-Wall', '-Wextra'])
    else:
        # enable debug symbols
        ctx.env.CFLAGS += ['/Z7']
        # /FS flag available in msvc >= 12 (2013)
        if 'MSVC_VERSION' in ctx.env and ctx.env.MSVC_VERSION >= 12:
            ctx.env.CFLAGS += ['/FS']
        ctx.env.LINKFLAGS += ['/DEBUG', '/INCREMENTAL:NO']
        # configure warnings
        ctx.env.CFLAGS += ['/W4', '/D_CRT_SECURE_NO_WARNINGS']
        # ignore "possible loss of data" warnings
        ctx.env.CFLAGS += ['/wd4305', '/wd4244', '/wd4245', '/wd4267']
        # ignore "unreferenced formal parameter" warnings
        ctx.env.CFLAGS += ['/wd4100']
        # set optimization level and runtime libs
        if (ctx.options.build_type == "release"):
            ctx.env.CFLAGS += ['/Ox']
            ctx.env.CFLAGS += ['/MD']
        else:
            assert(ctx.options.build_type == "debug")
            ctx.env.CFLAGS += ['/MDd']

    ctx.check_cc(lib='m', uselib_store='M', mandatory=False)

    if target_platform not in ['win32', 'win64']:
        ctx.env.CFLAGS += ['-fPIC']
    else:
        ctx.define('HAVE_WIN_HACKS', 1)
        ctx.env['cshlib_PATTERN'] = 'lib%s.dll'

    if target_platform == 'darwin' and ctx.options.enable_fat:
        ctx.env.CFLAGS += ['-arch', 'i386', '-arch', 'x86_64']
        ctx.env.LINKFLAGS += ['-arch', 'i386', '-arch', 'x86_64']
        MINSDKVER="10.4"
        ctx.env.CFLAGS += [ '-mmacosx-version-min=' + MINSDKVER ]
        ctx.env.LINKFLAGS += [ '-mmacosx-version-min=' + MINSDKVER ]

    if target_platform in [ 'darwin', 'ios', 'iosimulator']:
        if (ctx.options.enable_apple_audio != False):
            ctx.env.FRAMEWORK += ['CoreFoundation', 'AudioToolbox']
            ctx.define('HAVE_SOURCE_APPLE_AUDIO', 1)
            ctx.define('HAVE_SINK_APPLE_AUDIO', 1)
            ctx.msg('Checking for AudioToolbox.framework', 'yes')
        else:
            ctx.msg('Checking for AudioToolbox.framework', 'no (disabled)',
                    color = 'YELLOW')
        if (ctx.options.enable_accelerate != False):
            ctx.define('HAVE_ACCELERATE', 1)
            ctx.env.FRAMEWORK += ['Accelerate']
            ctx.msg('Checking for Accelerate framework', 'yes')
        else:
            ctx.msg('Checking for Accelerate framework', 'no (disabled)',
                    color = 'YELLOW')

    if target_platform in [ 'ios', 'iosimulator' ]:
        MINSDKVER="6.1"
        ctx.env.CFLAGS += ['-std=c99']
        if (ctx.options.enable_apple_audio != False):
            ctx.define('HAVE_AUDIO_UNIT', 1)
            #ctx.env.FRAMEWORK += ['CoreFoundation', 'AudioToolbox']
        if target_platform == 'ios':
            DEVROOT = "/Applications/Xcode.app/Contents"
            DEVROOT += "/Developer/Platforms/iPhoneOS.platform/Developer"
            SDKROOT = "%(DEVROOT)s/SDKs/iPhoneOS.sdk" % locals()
            ctx.env.CFLAGS += [ '-fembed-bitcode' ]
            ctx.env.CFLAGS += [ '-arch', 'arm64' ]
            ctx.env.CFLAGS += [ '-arch', 'armv7' ]
            ctx.env.CFLAGS += [ '-arch', 'armv7s' ]
            ctx.env.LINKFLAGS += [ '-arch', 'arm64' ]
            ctx.env.LINKFLAGS += ['-arch', 'armv7']
            ctx.env.LINKFLAGS += ['-arch', 'armv7s']
            ctx.env.CFLAGS += [ '-miphoneos-version-min=' + MINSDKVER ]
            ctx.env.LINKFLAGS += [ '-miphoneos-version-min=' + MINSDKVER ]
        else:
            DEVROOT = "/Applications/Xcode.app/Contents"
            DEVROOT += "/Developer/Platforms/iPhoneSimulator.platform/Developer"
            SDKROOT = "%(DEVROOT)s/SDKs/iPhoneSimulator.sdk" % locals()
            ctx.env.CFLAGS += [ '-arch', 'i386' ]
            ctx.env.CFLAGS += [ '-arch', 'x86_64' ]
            ctx.env.LINKFLAGS += ['-arch', 'i386']
            ctx.env.LINKFLAGS += ['-arch', 'x86_64']
            ctx.env.CFLAGS += [ '-mios-simulator-version-min=' + MINSDKVER ]
            ctx.env.LINKFLAGS += [ '-mios-simulator-version-min=' + MINSDKVER ]
        ctx.env.CFLAGS += [ '-isysroot' , SDKROOT]
        ctx.env.LINKFLAGS += [ '-isysroot' , SDKROOT]

    if target_platform == 'emscripten':
        if ctx.options.build_type == "debug":
            ctx.env.cshlib_PATTERN = '%s.js'
            ctx.env.LINKFLAGS += ['-s','ASSERTIONS=2']
            ctx.env.LINKFLAGS += ['-s','SAFE_HEAP=1']
            ctx.env.LINKFLAGS += ['-s','ALIASING_FUNCTION_POINTERS=0']
            ctx.env.LINKFLAGS += ['-O0']
        else:
            ctx.env.LINKFLAGS += ['-Oz']
            ctx.env.cshlib_PATTERN = '%s.min.js'

        # doesnt ship file system support in lib
        ctx.env.LINKFLAGS_cshlib += ['-s', 'NO_FILESYSTEM=1']
        # put memory file inside generated js files for easier portability
        ctx.env.LINKFLAGS += ['--memory-init-file', '0']
        ctx.env.cprogram_PATTERN = "%s.js"
        ctx.env.cstlib_PATTERN = '%s.a'

        # tell emscripten functions we want to expose
        from python.lib.gen_external import get_c_declarations, \
                get_cpp_objects_from_c_declarations, \
                get_all_func_names_from_lib, \
                generate_lib_from_c_declarations
        # emscripten can't use double
        c_decls = get_c_declarations(usedouble=False)
        objects = list(get_cpp_objects_from_c_declarations(c_decls))
        # ensure that aubio structs are exported
        objects += ['fvec_t', 'cvec_t', 'fmat_t']
        lib = generate_lib_from_c_declarations(objects, c_decls)
        exported_funcnames = get_all_func_names_from_lib(lib)
        c_mangled_names = ['_' + s for s in exported_funcnames]
        ctx.env.LINKFLAGS_cshlib += ['-s',
                'EXPORTED_FUNCTIONS=%s' % c_mangled_names]

    # check support for C99 __VA_ARGS__ macros
    check_c99_varargs = '''
#include <stdio.h>
#define AUBIO_ERR(...) fprintf(stderr, __VA_ARGS__)
'''

    if ctx.check_cc(fragment = check_c99_varargs,
            type='cstlib',
            msg = 'Checking for C99 __VA_ARGS__ macro',
            mandatory = False):
        ctx.define('HAVE_C99_VARARGS_MACROS', 1)

    # show a message about enable_double status
    if (ctx.options.enable_double == True):
        ctx.msg('Checking for size of smpl_t', 'double')
        ctx.msg('Checking for size of lsmp_t', 'long double')
    else:
        ctx.msg('Checking for size of smpl_t', 'float')
        ctx.msg('Checking for size of lsmp_t', 'double')

    # optionally use complex.h
    if (ctx.options.enable_complex == True):
        ctx.check(header_name='complex.h')
    else:
        ctx.msg('Checking if complex.h is enabled', 'no')

    # check for Intel IPP
    if (ctx.options.enable_intelipp != False):
        has_ipp_headers = ctx.check(header_name=['ippcore.h', 'ippvm.h',
            'ipps.h'], mandatory = False)
        has_ipp_libs = ctx.check(lib=['ippcore', 'ippvm', 'ipps'],
                uselib_store='INTEL_IPP', mandatory = False)
        if (has_ipp_headers and has_ipp_libs):
            ctx.msg('Checking if Intel IPP is available', 'yes')
            ctx.define('HAVE_INTEL_IPP', 1)
            if ctx.env.CC_NAME == 'msvc':
                # force linking multi-threaded static IPP libraries on Windows
                # with msvc
                ctx.define('_IPP_SEQUENTIAL_STATIC', 1)
        else:
            ctx.msg('Checking if Intel IPP is available', 'no')

    # check for fftw3
    if (ctx.options.enable_fftw3 != False or ctx.options.enable_fftw3f != False):
        # one of fftwf or fftw3f
        if (ctx.options.enable_fftw3f != False):
            ctx.check_cfg(package = 'fftw3f',
                    args = '--cflags --libs fftw3f >= 3.0.0',
                    mandatory = ctx.options.enable_fftw3f)
            if (ctx.options.enable_double == True):
                ctx.msg('Warning',
                        'fftw3f enabled, but compiling in double precision!')
        else:
            # fftw3f disabled, take most sensible one according to
            # enable_double
            if (ctx.options.enable_double == True):
                ctx.check_cfg(package = 'fftw3',
                        args = '--cflags --libs fftw3 >= 3.0.0.',
                        mandatory = ctx.options.enable_fftw3)
            else:
                ctx.check_cfg(package = 'fftw3f',
                        args = '--cflags --libs fftw3f >= 3.0.0',
                        mandatory = ctx.options.enable_fftw3)
        ctx.define('HAVE_FFTW3', 1)

    # fftw not enabled, use vDSP, intelIPP or ooura
    if 'HAVE_FFTW3F' in ctx.env.define_key:
        ctx.msg('Checking for FFT implementation', 'fftw3f')
    elif 'HAVE_FFTW3' in ctx.env.define_key:
        ctx.msg('Checking for FFT implementation', 'fftw3')
    elif 'HAVE_ACCELERATE' in ctx.env.define_key:
        ctx.msg('Checking for FFT implementation', 'vDSP')
    elif 'HAVE_INTEL_IPP' in ctx.env.define_key:
        ctx.msg('Checking for FFT implementation', 'Intel IPP')
    else:
        ctx.msg('Checking for FFT implementation', 'ooura')

    # check for libsndfile
    if (ctx.options.enable_sndfile != False):
        ctx.check_cfg(package = 'sndfile',
                args = '--cflags --libs sndfile >= 1.0.4',
                mandatory = ctx.options.enable_sndfile)

    # check for libsamplerate
    if (ctx.options.enable_double):
        if (ctx.options.enable_samplerate):
            ctx.fatal("Could not compile aubio in double precision mode' \
                    ' with libsamplerate")
        else:
            ctx.options.enable_samplerate = False
            ctx.msg('Checking if using samplerate',
                    'no (disabled in double precision mode)', color = 'YELLOW')
    if (ctx.options.enable_samplerate != False):
        ctx.check_cfg(package = 'samplerate',
                args = '--cflags --libs samplerate >= 0.0.15',
                mandatory = ctx.options.enable_samplerate)

    # check for jack
    if (ctx.options.enable_jack != False):
        ctx.check_cfg(package = 'jack',
                args = '--cflags --libs',
                mandatory = ctx.options.enable_jack)

    # check for libav
    if (ctx.options.enable_avcodec != False):
        ctx.check_cfg(package = 'libavcodec',
                args = '--cflags --libs libavcodec >= 54.35.0',
                uselib_store = 'AVCODEC',
                mandatory = ctx.options.enable_avcodec)
        ctx.check_cfg(package = 'libavformat',
                args = '--cflags --libs libavformat >= 52.3.0',
                uselib_store = 'AVFORMAT',
                mandatory = ctx.options.enable_avcodec)
        ctx.check_cfg(package = 'libavutil',
                args = '--cflags --libs libavutil >= 52.3.0',
                uselib_store = 'AVUTIL',
                mandatory = ctx.options.enable_avcodec)
        ctx.check_cfg(package = 'libswresample',
                args = '--cflags --libs libswresample >= 1.2.0',
                uselib_store = 'SWRESAMPLE',
                mandatory = False)
        if 'HAVE_SWRESAMPLE' not in ctx.env:
            ctx.check_cfg(package = 'libavresample',
                    args = '--cflags --libs libavresample >= 1.0.1',
                    uselib_store = 'AVRESAMPLE',
                    mandatory = False)

        msg_check = 'Checking for all libav libraries'
        if 'HAVE_AVCODEC' not in ctx.env:
            ctx.msg(msg_check, 'not found (missing avcodec)', color = 'YELLOW')
        elif 'HAVE_AVFORMAT' not in ctx.env:
            ctx.msg(msg_check, 'not found (missing avformat)', color = 'YELLOW')
        elif 'HAVE_AVUTIL' not in ctx.env:
            ctx.msg(msg_check, 'not found (missing avutil)', color = 'YELLOW')
        elif 'HAVE_SWRESAMPLE' not in ctx.env \
                and 'HAVE_AVRESAMPLE' not in ctx.env:
            resample_missing = 'not found (avresample or swresample required)'
            ctx.msg(msg_check, resample_missing, color = 'YELLOW')
        else:
            ctx.msg(msg_check, 'yes')
            if 'HAVE_SWRESAMPLE' in ctx.env:
                ctx.define('HAVE_SWRESAMPLE', 1)
            elif 'HAVE_AVRESAMPLE' in ctx.env:
                ctx.define('HAVE_AVRESAMPLE', 1)
            ctx.define('HAVE_LIBAV', 1)

    if (ctx.options.enable_wavread != False):
        ctx.define('HAVE_WAVREAD', 1)
    ctx.msg('Checking if using source_wavread',
            ctx.options.enable_wavread and 'yes' or 'no')
    if (ctx.options.enable_wavwrite!= False):
        ctx.define('HAVE_WAVWRITE', 1)
    ctx.msg('Checking if using sink_wavwrite',
            ctx.options.enable_wavwrite and 'yes' or 'no')

    # use BLAS/ATLAS
    if (ctx.options.enable_blas != False):
        ctx.check_cfg(package = 'blas',
                args = '--cflags --libs',
                uselib_store='BLAS', mandatory = ctx.options.enable_blas)
        if 'LIB_BLAS' in ctx.env:
            blas_header = None
            if ctx.env['LIBPATH_BLAS']:
                if 'atlas' in ctx.env['LIBPATH_BLAS'][0]:
                    blas_header = 'atlas/cblas.h'
                elif 'openblas' in ctx.env['LIBPATH_BLAS'][0]:
                    blas_header = 'openblas/cblas.h'
            else:
                blas_header = 'cblas.h'
            ctx.check(header_name = blas_header, mandatory =
                    ctx.options.enable_atlas)

    # use memcpy hacks
    if (ctx.options.enable_memcpy == True):
        ctx.define('HAVE_MEMCPY_HACKS', 1)

    # write configuration header
    ctx.write_config_header('src/config.h')

    # the following defines will be passed as arguments to the compiler
    # instead of being written to src/config.h
    ctx.define('HAVE_CONFIG_H', 1)

    # add some defines used in examples
    ctx.define('AUBIO_PREFIX', ctx.env['PREFIX'])
    ctx.define('PACKAGE', APPNAME)

    # double precision mode
    if (ctx.options.enable_double == True):
        ctx.define('HAVE_AUBIO_DOUBLE', 1)

    if (ctx.options.enable_docs != False):
        # check if txt2man is installed, optional
        try:
          ctx.find_program('txt2man', var='TXT2MAN')
        except ctx.errors.ConfigurationError:
          ctx.to_log('txt2man was not found (ignoring)')

        # check if doxygen is installed, optional
        try:
          ctx.find_program('doxygen', var='DOXYGEN')
        except ctx.errors.ConfigurationError:
          ctx.to_log('doxygen was not found (ignoring)')

        # check if sphinx-build is installed, optional
        try:
          ctx.find_program('sphinx-build', var='SPHINX')
        except ctx.errors.ConfigurationError:
          ctx.to_log('sphinx-build was not found (ignoring)')

def build(bld):
    bld.env['VERSION'] = VERSION
    bld.env['LIB_VERSION'] = LIB_VERSION

    # main source
    bld.recurse('src')

    # add sub directories
    if bld.env['DEST_OS'] not in ['ios', 'iosimulator', 'android']:
        if bld.env['DEST_OS']=='emscripten' and not bld.options.testcmd:
            bld.options.testcmd = 'node %s'
        if bld.options.enable_examples:
            bld.recurse('examples')
        if bld.options.enable_tests:
            bld.recurse('tests')

    # pkg-config template
    bld( source = 'aubio.pc.in' )

    # documentation
    txt2man(bld)
    doxygen(bld)
    sphinx(bld)

    from waflib.Tools import waf_unit_test
    bld.add_post_fun(waf_unit_test.summary)
    bld.add_post_fun(waf_unit_test.set_exit_code)

def txt2man(bld):
    # build manpages from txt files using txt2man
    if bld.env['TXT2MAN']:
        from waflib import TaskGen
        if 'MANDIR' not in bld.env:
            bld.env['MANDIR'] = bld.env['DATAROOTDIR'] + '/man'
        bld.env.VERSION = VERSION
        rule_str = '${TXT2MAN} -t `basename ${TGT} | cut -f 1 -d . | tr a-z A-Z`'
        rule_str += ' -r ${PACKAGE}\\ ${VERSION} -P ${PACKAGE}'
        rule_str += ' -v ${PACKAGE}\\ User\\\'s\\ manual'
        rule_str += ' -s 1 ${SRC} > ${TGT}'
        TaskGen.declare_chain(
                name      = 'txt2man',
                rule      = rule_str,
                ext_in    = '.txt',
                ext_out   = '.1',
                reentrant = False,
                install_path =  '${MANDIR}/man1',
                )
        bld( source = bld.path.ant_glob('doc/*.txt') )

def doxygen(bld):
    # build documentation from source files using doxygen
    if bld.env['DOXYGEN']:
        bld.env.VERSION = VERSION
        rule = '( cat ${SRC[0]} && echo PROJECT_NUMBER=${VERSION}'
        rule += ' && echo OUTPUT_DIRECTORY=%s && echo HTML_OUTPUT=%s )'
        rule += ' | doxygen - > /dev/null'
        rule %= (os.path.abspath(out), 'api')
        bld( name = 'doxygen', rule = rule,
                source = ['doc/web.cfg']
                    + bld.path.find_dir('src').ant_glob('**/*.h'),
                target = bld.path.find_or_declare('api/index.html'),
                cwd = bld.path.find_dir('doc'))
        # evaluate nodes lazily to prevent build directory traversal warnings
        bld.install_files('${DATAROOTDIR}/doc/libaubio-doc/api',
                bld.path.find_or_declare('api').ant_glob('**/*',
                    generator=True), cwd=bld.path.find_or_declare('api'),
                relative_trick=True)

def sphinx(bld):
    # build documentation from source files using sphinx-build
    try:
        import aubio
        has_aubio = True
    except ImportError:
        from waflib import Logs
        Logs.pprint('YELLOW', "Sphinx manual: install aubio first")
        has_aubio = False
    if bld.env['SPHINX'] and has_aubio:
        bld.env.VERSION = VERSION
        rule = '${SPHINX} -b html -D release=${VERSION}' \
                ' -D version=${VERSION} -W -a -q' \
                ' -d %s ' % os.path.join(os.path.abspath(out), 'doctrees')
        rule += ' . %s' % os.path.join(os.path.abspath(out), 'manual')
        bld( name = 'sphinx', rule = rule,
                cwd = bld.path.find_dir('doc'),
                source = bld.path.find_dir('doc').ant_glob('*.rst'),
                target = bld.path.find_or_declare('manual/index.html'))
        # evaluate nodes lazily to prevent build directory traversal warnings
        bld.install_files('${DATAROOTDIR}/doc/libaubio-doc/manual',
                bld.path.find_or_declare('manual').ant_glob('**/*',
                    generator=True), cwd=bld.path.find_or_declare('manual'),
                relative_trick=True)

# register the previous rules as build rules
from waflib.Build import BuildContext

class build_txt2man(BuildContext):
    cmd = 'txt2man'
    fun = 'txt2man'

class build_manpages(BuildContext):
    cmd = 'manpages'
    fun = 'txt2man'

class build_sphinx(BuildContext):
    cmd = 'sphinx'
    fun = 'sphinx'

class build_doxygen(BuildContext):
    cmd = 'doxygen'
    fun = 'doxygen'

def shutdown(bld):
    from waflib import Logs
    if bld.options.target_platform in ['ios', 'iosimulator']:
        msg ='building for %s, contact the author for a commercial license' \
                % bld.options.target_platform
        Logs.pprint('RED', msg)
        msg ='   Paul Brossier <piem@aubio.org>'
        Logs.pprint('RED', msg)

def dist(ctx):
    ctx.excl  = ' **/.waf*'
    ctx.excl += ' **/.git*'
    ctx.excl += ' **/*~ **/*.pyc **/*.swp **/*.swo **/*.swn **/.lock-w*'
    ctx.excl += ' **/build/*'
    ctx.excl += ' doc/_build'
    ctx.excl += ' python/demos_*'
    ctx.excl += ' **/python/gen **/python/build **/python/dist'
    ctx.excl += ' **/python/ext/config.h'
    ctx.excl += ' **/python/lib/aubio/_aubio.so'
    ctx.excl += ' **.egg-info'
    ctx.excl += ' **/.eggs'
    ctx.excl += ' **/.pytest_cache'
    ctx.excl += ' **/.cache'
    ctx.excl += ' **/**.zip **/**.tar.bz2'
    ctx.excl += ' **.tar.bz2'
    ctx.excl += ' **/doc/full/* **/doc/web/*'
    ctx.excl += ' **/doc/full.cfg'
    ctx.excl += ' **/python/*.db'
    ctx.excl += ' **/python.old/*'
    ctx.excl += ' **/python/*/*.old'
    ctx.excl += ' **/python/lib/aubio/*.so'
    ctx.excl += ' **/python/tests/sounds'
    ctx.excl += ' **/**.asc'
    ctx.excl += ' **/dist*'
    ctx.excl += ' **/.DS_Store'
    ctx.excl += ' **/.travis.yml'
    ctx.excl += ' **/.landscape.yml'
    ctx.excl += ' **/.appveyor.yml'
    ctx.excl += ' **/.circleci/*'
    ctx.excl += ' **/azure-pipelines.yml'
    ctx.excl += ' **/.coverage*'